Re: [Exim] Greylisting + multiple MX hosts -> multiple attem…

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Autor: Marcin Owsiany
Data:  
Para: exim-users
Assunto: Re: [Exim] Greylisting + multiple MX hosts -> multiple attempts
On Wed, Mar 24, 2004 at 09:47:07AM +0100, Christoph Kliemt wrote:
> Alun <auj@???> writes:
>
> [...]
>
> > I once worked out that my time spent managing our spam filters is
> > probably worth around ?40K per year in terms of staff time that would
> > otherwise be lost glancing over and deleting unfiltered spam. Sad to
> > say, it is economical to spend the time at a medium/large organisation.
>
> No. A false positive can be *very* expensive.


Actually humans produce more (at least an order of magnitude more!)
false positives then bayesian filters when ham/spam ratio is small.

Marcin
--
Marcin Owsiany
porridge@???